Along with ruby there are a great many other solid state lasers whose outputs range in wavelength from roughly 500 to 2500 nm . 除了红宝石之外，还有许多其它的固体激光器，输出波长从大约500纳米（nm）到2500纳米（nm）。
Research on lightning intruded wave for 500 kv substations 变电站雷电侵入波研究
I'd require a commecing salary of 2 ， 500 yuan a month 我要求起薪每月2，500元。
This is for 500 . come on, man, i just bought this place 500美元我才刚买下这里
He made me an offer of 500 pounds for the house 他出价五百英镑要买我那所房子。
He can shot a moving bus form 500 meters away 从距离500米的地方向移动的汽车射击
He can shot a moving bus form 500 meters away 从距离500米的地方向移动的汽车射击
I " m not going anywhere without the $ 1, 500 bucks 没拿到她从我哥哥那偷的1500美金
This amounts to more than 1, 500 people a day 也就是说每天超过1,500人死于癌症。
